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Brake fluid change -- Really need PT to disable ABS?

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4 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHBrake fluid change -- Really need PT to disable ABS?

Reported or suspected cause

air has gotten into the control network

Suggestion or failed attempt

No successful repair reported for this finding.

0
Identified cause
1
Suspected cause
0
Reported fixes
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that suspect a cause
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suspected cause

Most dealers do not activate the system unless they suspect air has gotten into the control network.

Original post Read captured discussion
Brake fluid change -- Really need PT to disable ABS?
Frequently discussed work

Replace on my 997.1s

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

I'm looking to do the very first brake fluid change on my 997.1S

Original post Read captured discussion
Brake fluid change -- Really need PT to disable ABS?
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Leading evidence: 'air has gotten into the control network' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'air has gotten into the control network' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Replace on my 997.1s' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.

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1 matching discussions · 4 captured posts examined · 0 partial discussions

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Replace on my 997.1s

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

I'm looking to do the very first brake fluid change on my 997.1S

Original post Read captured discussion
Brake fluid change -- Really need PT to disable ABS?
Frequently discussed actions (1)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Replace on my 997.1s

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

I'm looking to do the very first brake fluid change on my 997.1S

Original post Read captured discussion
Brake fluid change -- Really need PT to disable ABS?
Reported and suspected causes (1)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

air has gotten into the control network

No successful repair reported for this finding.

0
Identified cause
1
Suspected cause
0
Reported fixes
Read evidence and context
Discussions that suspect a cause
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suspected cause

Most dealers do not activate the system unless they suspect air has gotten into the control network.

Original post Read captured discussion
Brake fluid change -- Really need PT to disable ABS?
Coverage and how to read this overview

Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

4 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Pelican Parts: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261027T192637Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Hi all, I'm looking to do the very first brake fluid change on my 997.1S After reading the tech article and then did some research, i'm kind of hesitant to move forward because, I am not sure whether the PT(Porsche Tester module??) is needed to disable ABS. Apparently many I've read on forums said they simply go ahead and do the flush and did not see any issue. I'd rather attempt to do it right and cheap, of course. Any advice? Thanks in advance! Ben

POST 2Original post

Quotes source post: 8089342

As long as there is on air in the ABS/PSM system, you do not need to activate (rather than disable) the system to flush the brakes. For future reference, the Durametric system will also activate the ABS if needed.

POST 3 / ORIGINAL POSTEROriginal post

Thanks JFP. The way I understand this is that, as long as the ABS naturally opens up the valves then it is possible to flush the brake fluids. Is this what you imply?

POST 4Original post

Quotes source post: 8089516

No. The ABS/PSM control network consists of a pump, valves, and passageways that need to be cycled open and closed during the flushing cycle to assure air trapped inside will be removed. But if there is no air trapped in the system, nothing needs to be activated, just flush the system. Most dealers do not activate the system unless they suspect air has gotten into the control network.

This is a source reference. Confirm exact model applicability in the original material.